package com.ly.sy.service;

import com.ly.sy.entity.Course;
import com.baomidou.mybatisplus.extension.service.IService;
import com.ly.sy.entity.Xktable;
import com.ly.sy.mapper.CourseMapper;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author liangyu
 * @since 2020-11-11
 */
public interface CourseService extends IService<Course> {
    Course selectcourseById(Course course);
    List<Course> courselikeLise(int page,String likestr,String strtwo);
    boolean deleteHomeworkBycourseId(Integer courseId);
    boolean deletevideoBycourseId(Integer courseId);
    boolean deletexkBycourseId(Integer courseId);

}
